chore(deps): update dependency @rollup/plugin-commonjs to v21 (#973)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -18,7 +18,7 @@
     "workfront-api-constants": "^2.0.0"
   },
   "devDependencies": {
-    "@rollup/plugin-commonjs": "20.0.0",
+    "@rollup/plugin-commonjs": "21.0.0",
     "@rollup/plugin-json": "4.1.0",
     "@rollup/plugin-node-resolve": "13.0.5",
     "@rollup/plugin-typescript": "8.2.5",

yarn.lock

@@ -1097,10 +1097,10 @@
   resolved "https://registry.yarnpkg.com/@istanbuljs/schema/-/schema-0.1.2.tgz#26520bf09abe4a5644cd5414e37125a8954241dd"
   integrity sha512-tsAQNx32a8CoFhjhijUIhI4kccIAgmGhy8LZMZgGfmXcpMbPRUqn5LWmgRttILi6yeGmBJd2xsPkFMs0PzgPCw==
 
-"@rollup/plugin-commonjs@20.0.0":
-  version "20.0.0"
-  resolved "https://registry.yarnpkg.com/@rollup/plugin-commonjs/-/plugin-commonjs-20.0.0.tgz#3246872dcbcb18a54aaa6277a8c7d7f1b155b745"
-  integrity sha512-5K0g5W2Ol8hAcTHqcTBHiA7M58tfmYi1o9KxeJuuRNpGaTa5iLjcyemBitCBcKXaHamOBBEH2dGom6v6Unmqjg==
+"@rollup/plugin-commonjs@21.0.0":
+  version "21.0.0"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-commonjs/-/plugin-commonjs-21.0.0.tgz#b9e4342855ea20b5528f4587b9a90f642196a502"
+  integrity sha512-XDQimjHl0kNotAV5lLo34XoygaI0teqiKGJ100B3iCU8+15YscJPeqk2KqkqD3NIe1H8ZTUo5lYjUFZyEgASTw==
   dependencies:
     "@rollup/pluginutils" "^3.1.0"
     commondir "^1.0.1"